/*
 * PonpokoDiff
 *
 * Copyright (c) 2008 PonpokoDiff Project Contributors
 * 
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

/**
 *	@file		Substring.h
 *	@brief		Substring クラスの定義
 *	@author		ICHIMIYA Hironori (Hiron)
 *	@date		2007-12-17 Created
 */

#ifndef SUBSTRING_H__INCLUDED
#define SUBSTRING_H__INCLUDED

/**
 *	@brief	開始位置と終了位置で表される部分文字列のクラス。
 *			C文字列とは異なり、\0 終端ではありません。
 */
class Substring
{
public:
						Substring(char* begin, char* end);
						Substring(char* cstring);
						Substring(char* cstring, int maxLength);
						Substring(const Substring& other);
						
	Substring&			operator=(const Substring& other);

	const char*			Begin() const	{ return begin; }
	const char*			End() const		{ return end; }
	int					Length() const { return end - begin; }
	
	bool				IsSameString(const Substring& other) const;
	bool				operator==(const Substring& other) const
							{ return IsSameString(other); }
	bool				operator!=(const Substring& other) const
							{ return !IsSameString(other); }

private:
	char*	begin;
	char*	end;
};

#endif // SUBSTRING_H__INCLUDED
